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https://gitee.com/openharmony/startup_init
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ac8e21354b
Signed-off-by: cheng_jinsong <chengjinsong2@huawei.com> Change-Id: I6eeb8922465319f049ae8eb6acaeb3480cef0fce
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ueventd_firmware_handler.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <limits.h>
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#include "ueventd.h"
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#define INIT_LOG_TAG "ueventd"
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#include "init_log.h"
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#include "securec.h"
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void HandleFimwareDeviceEvent(const struct Uevent *uevent)
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{
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char fwLoadingPath[PATH_MAX] = {};
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if (snprintf_s(fwLoadingPath, PATH_MAX, PATH_MAX - 1, "/sys%s/loading", uevent->syspath) == -1) {
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INIT_LOGE("Failed to build firmware loading path");
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return;
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}
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char realPath[PATH_MAX] = { 0 };
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realpath(fwLoadingPath, realPath);
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int fd = open(realPath, O_WRONLY | O_CLOEXEC);
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if (fd < 0) {
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INIT_LOGE("Failed to open %s, err = %d", fwLoadingPath, errno);
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return;
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}
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char *endCode = "-1";
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(void)write(fd, "-1", strlen(endCode));
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close(fd);
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}
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